leading edge [计] 前沿
leading edge[ noun ]
forward edge of an airfoil
<noun.artifact>
Leading edge \Lead"ing edge\n.
1. (Aeronautics) the front edge of an airfoil; same as
{{Advancing edge}}, above.
[Webster 1913 Suppl.]
2. the front edge of anything that moves; also used
metaphorically, as the leading edge in art. See also
{cutting edge}.
[PJC]